40702840

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2297}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 91828080

約数和(自身を除く): 51125240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 2297, 3544, 4430, 4594, 8860, 9188, 11485, 17720, 18376, 22970, 45940, 91880, 1017571, 2035142, 4070284, 5087855, 8140568, 10175710, 20351420, 40702840]

約数ペア:

[(1, 40702840), (2, 20351420), (4, 10175710), (5, 8140568), (8, 5087855), (10, 4070284), (20, 2035142), (40, 1017571), (443, 91880), (886, 45940), (1772, 22970), (2215, 18376), (2297, 17720), (3544, 11485), (4430, 9188), (4594, 8860)]